@article{SPHM_1985___3_A1_0,
     author = {Apery, Roger},
     title = {Nature des objets math\'ematiques},
     journal = {S\'eminaire de Philosophie et Math\'ematiques},
     pages = {1--10},
     publisher = {IREM Paris-Nord~; \'Ecole Normale Sup\'erieure},
     number = {3},
     year = {1985},
     language = {fr},
     url = {http://archive.numdam.org/item/SPHM_1985___3_A1_0/}
}